Just got back from the National Muzzleloading shoot at Friendship Indiana. Got 1st in thec100 yard pistol match. This is a 10 shot match. I used my 32 caplock and 15 grains Swiss Black Powder for 1000 fps at the muzzle. I shot this one handed un-supported open sights. I'm 72. The 10 ring is 3 inches dia.